66610480

素因数分解:

$2^4\times 5^1\times {\mathrm{832631}}^1$

素因数の和:832644

約数の個数: 20

約数和(自身を含む): 154869552

約数和(自身を除く): 88259072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 832631, 1665262, 3330524, 4163155, 6661048, 8326310, 13322096, 16652620, 33305240, 66610480]

約数ペア:

[(1, 66610480), (2, 33305240), (4, 16652620), (5, 13322096), (8, 8326310), (10, 6661048), (16, 4163155), (20, 3330524), (40, 1665262), (80, 832631)]